Finding the Fourth Proportional to 18,431,411.25, 27,646,083.51 and 5,651,880.87
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Solution
The fourth proportional to 18,431,411.25, 27,646,083.51 and 5,651,880.87 is: 8,477,504.43
Step by Step Solution
- Step 1: Write the proportion equation
18,431,411.25 : 27,646,083.51 = 5,651,880.87 : x - Step 2: Convert to fraction form
18,431,411.25/27,646,083.51 = 5,651,880.87/x - Step 3: Cross multiply
18,431,411.25x = 27,646,083.51 × 5,651,880.87 - Step 4: Simplify right side
18,431,411.25x = 156,252,370,520,591.47 - Step 5: Solve for x
x = 156,252,370,520,591.47/18,431,411.25 - Step 6: Final answer
x = 8,477,504.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.